diff --git a/README.md b/README.md
index 1a8da30..39385c1 100644
--- a/README.md
+++ b/README.md
@@ -151,9 +151,12 @@ end
 gem auto-configuring, but you can override settings
 
 ```ruby
-ActiveDryDeps.config.container = 'MyApp::Container'
-ActiveDryDeps.config.inflector = ActiveSupport::Inflector
-ActiveDryDeps.config.inject_global_constant = 'Deps'
+# config/initializers/active_dry_deps.rb
+ActiveDryDeps.configure do |config|
+  config.container = 'MyApp::Container'
+  config.inflector = ActiveSupport::Inflector
+  config.inject_global_constant = 'Deps'
+end
 ```
 
 ### Recommended container setup with [dry-system](https://dry-rb.org/gems/dry-system/) for Rails
diff --git a/lib/active_dry_deps.rb b/lib/active_dry_deps.rb
index ca91cec..43f6cc4 100644
--- a/lib/active_dry_deps.rb
+++ b/lib/active_dry_deps.rb
@@ -1,11 +1,13 @@
 # frozen_string_literal: true
 
-require_relative 'active_dry_deps/version'
-require_relative 'active_dry_deps/configuration'
-require_relative 'active_dry_deps/railtie'
+require 'active_dry_deps/version'
+require 'active_dry_deps/configuration'
+require 'active_dry_deps/railtie'
 
 module ActiveDryDeps
 
+  autoload :Deps, 'active_dry_deps/deps'
+
   class Error < StandardError; end
   class DependencyNameInvalid < Error; end
 
diff --git a/lib/active_dry_deps/railtie.rb b/lib/active_dry_deps/railtie.rb
index a7defb0..f0a9a80 100644
--- a/lib/active_dry_deps/railtie.rb
+++ b/lib/active_dry_deps/railtie.rb
@@ -3,12 +3,10 @@
 module ActiveDryDeps
   class Railtie < ::Rails::Railtie
 
-    config.before_initialize do
+    config.to_prepare do
       app_namespace = ::Rails.application.class.to_s.split('::').first
       ActiveDryDeps.config.container ||= "#{app_namespace}::Container"
 
-      require_relative 'deps'
-
       Object.const_set(ActiveDryDeps.config.inject_global_constant, ::ActiveDryDeps::Deps)
       ActiveDryDeps.config.finalize!(freeze_values: true)
     end